Reading these messages, I wonder what kind of Crownprince he would have been. In the end he is rather similar to his father.

We cannot say that. Yes his upbringing might have been quite different from what he had now. Ac tually The King would have taken lot of care, taking lessons from his own life and youth, while raising him and made him a more purposeful man.

What I feel is, the "demotion" of Carl Philip definitely dejected the King. He sort of felt sorry for the injustice done for him, and so eventually tried to compensate that by letting him have an unresticted, unburdened lifestyle of his own choice..

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The only word I hate in the Royal Dictionary - ABDICATION

I think he would be a lot more serious as a person. I don't think he'd race cars and I definitely don't think he would be dating Sofia.

Even as a Sofia-Supporter I second that. There is a big difference between dating a simple Prince and dating a Crown Prince. Sofia would have had to fight a lot more and give up a lot more to be accepted than she has now. Hence why Daniel had to fight and give up more than Chris and Sofia had.

Apart from that I think Carl Philip would have been a good, hard working Crown Prince similar to how Victoria is now.

Expressen's royal reporter Johan T Lindwall releases next April a book "Carl Philip: Prinsen som inte fick bli kung" ("Carl Philip: The Prince who didn't get to be a King")

A portrait of a shy guy, always a step behind her sisters.
Carl Philip was born as crown prince and future king of Sweden. But less than a year after his birth, he was stripped of the right to inherit the throne, which the king still can not accept. Carl Philip himself is relieved that it's big sister Victoria who will one day become queen. He is the one in the family who feels uncomfortable in the spotlight and has also been struggling with dyslexia and difficulties in getting mates. He has also been bullied.
Over the years, Carl Philip has had several agonizing conflicts with his parents, including the girlfriend Sofia Hellqvist. But when Carl Philip threatened to break with the family and renounce his prince title if they did not accept Sofia they gave in. Even the king and queen realized finally that girl from Älvdalen helped their son to have a self-confidence he always lacked, and now the engagement is approaching.Carl Philip Prinsen som inte fick bli kung - Johan T Lindwall - 9789137141985 Adlibris Bokhandel – Alltid billigt, fraktfritt från 99 kr

Svensk Damtidning writes that they saw Carl Philip at the exclusive night club Bergmans in Stockholm on one Saturday night in October. Sofia wasn't with Carl Philip, he had male friends with him. One of the owners of Bergmans is Carl Philip's friend Ulf Frederick von Roth. Carl Philip ordered three bottles of champagne Cristal, which costs 1650 SEK (almost 190 euros) a bottle.

Expressen's royal reporter Johan T Lindwall releases next April a book "Carl Philip: Prinsen som inte fick bli kung" ("Carl Philip: The Prince who didn't get to be a King")

A portrait of a shy guy, always a step behind her sisters.
Carl Philip was born as crown prince and future king of Sweden. But less than a year after his birth, he was stripped of the right to inherit the throne, which the king still can not accept. Carl Philip himself is relieved that it's big sister Victoria who will one day become queen. He is the one in the family who feels uncomfortable in the spotlight and has also been struggling with dyslexia and difficulties in getting mates. He has also been bullied.
Over the years, Carl Philip has had several agonizing conflicts with his parents, including the girlfriend Sofia Hellqvist. But when Carl Philip threatened to break with the family and renounce his prince title if they did not accept Sofia they gave in. Even the king and queen realized finally that girl from Älvdalen helped their son to have a self-confidence he always lacked, and now the engagement is approaching.Carl Philip Prinsen som inte fick bli kung - Johan T Lindwall - 9789137141985 Adlibris Bokhandel – Alltid billigt, fraktfritt från 99 kr

Carl Philip was at a collision with a bus this morning. A bus hit the back of his Porsche Cayenne near Berwaldhallen. Annika Sönnerberg from the court press department says that Carl Philip is fine but his car was damaged.Prinsen påkörd av buss | Nyheter | Aftonbladet

A video on TV 4: On Friday Prince Carl Philip presented medals to soldiers in Afghanistan Swedish strength. Our reporter Ted Lundgren took the opportunity to ask the prince about a possibly impending engagement to girlfriend Sofia Hellqvist. But it was a question that the prince was not prepared for.

Carl Philip says that it is great to welcome all soldiers home safe and healthy. They have done a great job. He hadn't got time to talk with them very much, just to welcome them home.
"Can the prince tell something about his own situation and the engagement eventually, there are rumours going on today?"
"Are there? Aha, how nice. No, I don't want to do that. If we would do it, we will announce it via the court".Prins Carl Philip om förlovningsryktena - TV4 Play

A video on TV 4: On Friday Prince Carl Philip presented medals to soldiers in Afghanistan Swedish strength. Our reporter Ted Lundgren took the opportunity to ask the prince about a possibly impending engagement to girlfriend Sofia Hellqvist. But it was a question that the prince was not prepared for.

Carl Philip says that it is great to welcome all soldiers home safe and healthy. They have done a great job. He hadn't got time to talk with them very much, just to welcome them home.

"Can the prince tell something about his own situation and the engagement eventually, there are rumours going on today?"

"Are there? Aha, how nice. No, I don't want to do that. If we would do it, we will announce it via the court".

It seems as thoughCarl Philip, other than Madeline has the least amour of public appearances of the family. Does anyone know or think that if and when he marries Sofia that he will become a more public figure?

It seems as thoughCarl Philip, other than Madeline has the least amour of public appearances of the family. Does anyone know or think that if and when he marries Sofia that he will become a more public figure?

The court told in the autumn that Carl Philip is focusing on his designing. And he could very well continue his racing career about 5-10 years still. His interests have been in other things than representing the royal house very much. Carl Philip becoming a more public figure depends in my opinion about the king, and of course if he marries Sofia, it depends about Sofia. If she wants to be a very public figure in the royal family and the king allows it, Carl Philip would have to become more public too.

I wonder what would happen if the parents of a Prince who made a threat like this finally were to call his bluff?

Once, just once...I would love to see it happen!

Why would you like it to see? Only for reasons of scandal?!
I personnally don´t think he would need to "threaten" his parents about matters of girlfriends/ marriage as I believe they have a good and solid relationship grounded on trust within the Royal family strong enough to sort it out reasonably.